@article {Nishiwaki:1975:0736-2935:571, title = "Detecting system for a position of source of ultra low frequency sound", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1975", volume = "1975", number = "2", publication date ="1975-08-27T00:00:00", pages = "571-574", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1975/00001975/00000002/art00110", keyword = "71, 21.8.1", author = "Nishiwaki, N. and Saito, M. and Mori, T.", abstract = "", }